As a result, eating enough fiber is a fantastic first-line defense against menopausal symptoms like hot flashes, which tend to be fewer and milder with fiber-rich diets. The balance fiber achieves in our bodies is essential for women in general, and for breast cancer survivors in particular. In the Women’s Healthy Eating and Living Study, women treated for early stage breast cancer who consumed a high-fiber diet experienced a significant decrease in hot flashes in as little as one year.